Ricoh VT3500, Service Manual

Page: 44 / 330

1.5 PRESSURE PLATE UP/DOWN MECHANISM
[Pressure Plate Down]
When the interrupter at the rear side of the drum interrupts the first drum
position sensor (this means the end of the master eject process), the
pressure plate motor [B] starts rotating. This drives gear [H] clockwise by
means of gears [C], [D], [E], and [F].
Pin [I] on gear [H] moves link [G] down until the link interrupter [L] interrupts
the lower pressure plate sensor [J]. Spring [M] pulls down on the pressure
plate and the ejected master in the master eject box is compressed by the
pressure plate [A].
If the full master detection sensor [K] does not turn on when the pressure
plate goes down, it means the master eject box is filled with ejected masters.
In this case, the Master Full indicator blinks, and the machine stops after a
new master is wrapped around the drum.
Reset the Master Full indicator by turning the Master Eject Box switch OFF
and ON. This is to prevent the master full indicator from being reset without
removing the ejected masters from the box. When the Master Full indicator is
blinking, the Master Making key does not work, but the Print Start key and
Proof key work.
[M]
[A]
[L]
[K]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[J]
[I]
1 December 1993
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